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Finding the Fourth Proportional to 8,839.38, 12,197.84 and 4,859.84

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Solution

The fourth proportional to 8,839.38, 12,197.84 and 4,859.84 is: 6,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.38 : 12,197.84 = 4,859.84 : x
  2. Step 2: Convert to fraction form
    8,839.38/12,197.84 = 4,859.84/x
  3. Step 3: Cross multiply
    8,839.38x = 12,197.84 × 4,859.84
  4. Step 4: Simplify right side
    8,839.38x = 59,279,550.75
  5. Step 5: Solve for x
    x = 59,279,550.75/8,839.38
  6. Step 6: Final answer
    x = 6,706.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.